90788020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1637}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 198132480

約数和(自身を除く): 107344460

約数列:

[1, 2, 4, 5, 10, 20, 47, 59, 94, 118, 188, 235, 236, 295, 470, 590, 940, 1180, 1637, 2773, 3274, 5546, 6548, 8185, 11092, 13865, 16370, 27730, 32740, 55460, 76939, 96583, 153878, 193166, 307756, 384695, 386332, 482915, 769390, 965830, 1538780, 1931660, 4539401, 9078802, 18157604, 22697005, 45394010, 90788020]

約数ペア:

[(1, 90788020), (2, 45394010), (4, 22697005), (5, 18157604), (10, 9078802), (20, 4539401), (47, 1931660), (59, 1538780), (94, 965830), (118, 769390), (188, 482915), (235, 386332), (236, 384695), (295, 307756), (470, 193166), (590, 153878), (940, 96583), (1180, 76939), (1637, 55460), (2773, 32740), (3274, 27730), (5546, 16370), (6548, 13865), (8185, 11092)]